Brooklyn

A gunman robbed a cellphone store in Mill Basin and fled with thousands of dollars worth of electronics and cash, authorities said.

The suspect walked into the AT&T store on Ralph Avenue near Avenue L at around 10 p.m. on Jan. 20 before pulling a silver firearm on an employee and demanding he fill a bag with cellphones, tablets and cash, cops said.

The thief fled with the haul, which included an iPad Air, 16 iPhones, three Samsung Mini tablets and two Galaxy Note Tablets, police sources said.

He was last seen wearing a striped skull cap, tan work boots, a green vest and black jeans.

Cops nabbed a man suspected of robbing a deli worker at gunpoint in Kensington.

The 28-year-old victim was behind the register at the Yung Market Chinese-American deli on Nostrand Avenue near Flatbush Avenue at around 4 a.m. Monday when armed suspect Desean Walcott demanded money, cops said.

Walcott, 18, fled with an unknown amount of cash, but was arrested the following day and charged with robbery and possession of a weapon, cops said.

Walcott has no prior arrest history, cops said.

Staten Island

That’s cold!

A Staten Island man slashed his ex with an icicle during an argument in Mariner’s Harbor on Sunday, authorities said.

Michael Torres, 38, began arguing with the mother of his children in front of an Albert Court home around 5:30 p.m., Monday, a Criminal Court complaint charges.

The furious father allegedly grabbed an icicle and thrust it at her arm.

The victim suffered only minor scratches during the dad’s meltdown, court papers state.

Two men broke into a St. George deli and made off with thousands of dollars worth of lottery tickets and tobacco products, authorities said.

The thieves entered an unlocked rear window of Morty’s Deli on Fort Place at around 9 p.m. Jan. 18 before snatching more than $1,000 worth of scratch-off lottery tickets and about $3,800 worth of cigarettes and cigars, cops said.

One of the suspects was last seen wearing a black winter hat with a white symbol on the front, and a brown winter jacket, cops said.

His partner was wearing a baseball hat, a diamond earring in his right ear and a down winter jacket.

A Castleton Corners landlord stole jewelry from his tenant to buy Christmas presents and to pay bills over the holidays, authorities said.

Peter Marisi, 30, broke into his tenant’s apartment and stole jewelry from the 46-year-old victim, a Criminal Court complaint charges.

The victim last saw her valuables on Thanksgiving and didn’t realize they were gone until she awoke on Christmas Day and opened her jewelry box, court records state.

Marisi had taken the jewelry sometime after Thanksgiving and confessed to selling the valuables at a pawnshop, court documents state.

It wasn’t clear how much the landlord allegedly received for the Dec. 4 transaction at Goldrush on Forester Avenue, but the jewelry was estimated to be worth about $5,300, sources said.

“I took jewelry in the month of December from my tenant’s room,” Marisi allegedly told detectives. “I know that she leaves the front door open.”